/Engine/Source/Editor/BlueprintGraph/Classes/EdGraphSchema_K2.h
Whether or not the specified actor is a valid target for bound events and literal references (in the right level, not a builder brush, etc
bool IsActorValidForLevelScriptRefs ( const [AActor](API\Runtime\Engine\GameFramework\AActor) * TestActor, const [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint ) const